2,3-dichloro-5,8-dihydroxy-1,4-naphthoquinone | 38572-68-8

• 分子结构分类: 有机化合物 - 苯类化合物 - 萘
• 英文名称: 2,3-dichloro-5,8-dihydroxy-1,4-naphthoquinone
• 英文别名: 2,3-Dichloronaphthazarin；6,7-dichloro-5,8-dihydroxynaphthalene-1,4-dione
• CAS: 38572-68-8
• 化学式: C₁₀H₄Cl₂O₄
• 分子量: 259.045
• InChiKey: KFAVXUQFBGHURZ-UHFFFAOYSA-N

物化性质

• 沸点：
  540.4±50.0 °C(Predicted)
• 密度：
  1.807±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  3.1
• 重原子数：
  16
• 可旋转键数：
  0
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  74.6
• 氢给体数：
  2
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  sodium methylate 、 2,3-dichloro-5,8-dihydroxy-1,4-naphthoquinone 在 三乙胺 作用下， 以 甲醇 、 二甲基亚砜 为溶剂， 反应 2.0h， 以63%的产率得到6-氯-5,8-二羟基-7-甲氧基萘-1,4-二酮
  参考文献：
  名称：

  Selective Syntheses of 2-Alkylamino- and 2-Alkoxy-6,7-dichloro-5,8-dihydroxy-1,4-naphthoquinones

  摘要：

  DOI：

  10.1055/s-1984-31034

文献信息

• Metallacycles and methods of making the same
  申请人：Lu Kuang-Lieh

  公开号：US20090082574A1

  公开（公告）日：2009-03-26

  The present invention provides for novel metallacycles and processes for making the same.

  本发明提供了一种新型金属环化合物和制备方法。
• An Experimental and Density Functional Theory Approach Towards the Establishment of Preferential Metal‐ or Ligand‐Based Electron‐Transfer Processes in Large Quinonoid‐Bridged Diruthenium Complexes [{(aap) ₂ Ru} ₂ (μ‐BL ^{2 <i>–</i>} )] ^{<i>n</i> +} (aap = 2‐Arylazopyridine)
  作者：Sandeep Ghumaan、Sriparna Mukherjee、Sanjib Kar、Dipankar Roy、Shaikh M. Mobin、Raghavan B. Sunoj、Goutam Kumar Lahiri

  DOI：10.1002/ejic.200600638

  日期：2006.11

  class II mixed-valence system. Electrogenerated EPR-inactive second-step oxidized species [1–8] 4+ have been described as spin-coupled radical-bridged mixed-valence ruthenium (II)(III) species, Ru II (π-BL – )Ru III }. [1–8] 2+ exhibit multiple ligand-based reductions involving coordinated BL 2– as well as aap. The above preferential metal- or ligand-based accessible electron-transfer processes in the

  一组十个醌型桥连二钌(II)配合物[(aap) 2 Ru II (μ-BL 1 2– )Ru II (aap) 2 ](ClO 4 ) 2 , [1a–1c](ClO 4 ) 2 [(pap) 2 Ru II (μ-BL n 2– )Ru II (pap) 2 ](ClO 4 ) 2 [2–8](ClO 4 ) 2 [aap = 2-芳基并吡啶，NC 5 H 4 – N = N–C 6 H 4 (R) R = H (pap) [1a](ClO 4 ) 2 , m-Me [1b](ClO 4 ) 2 , m-Cl [1c](ClO 4 ) 2 }; BL 2– = 5,8-dioxido-1,4-napthoquinone (BL 1 2– ), 2,3-dichloro-5,8-dioxido-1,4-napthoquinone (BL 2 2– ), 6,11-二氧化-5,12-萘二酮
• Chemistry of naphthazarin derivatives: XV. Bromination of naphthazarin and its derivatives
  作者：N. D. Pokhilo、A. Ya. Yakubovskaya、V. P. Glazunov

  DOI：10.1134/s1070428011040063

  日期：2011.4

  Bromination of a number of naphthazarin (5,8-dihydroxy-1,4-naphthoquinone) derivatives having different substituents in the aromatic ring with molecular bromine in carbon tetrachloride was studied. Preparative procedures for the synthesis of 2-bromo-5,8-dihydroxy-7-methoxy-1,4-naphthoquinone, 2-bromo-6,7-dichloro-5,8-dihydroxy-1,4-naphthoquinone, 2-bromo-3,5,8-trihydroxy-1,4-naphthoquinone, and 2-bromo-6

  研究了在四氯化碳中用分子溴溴化许多在芳环上具有不同取代基的萘他沙林（5,8-二羟基-1,4-萘醌）衍生物的方法。合成2-溴-5,8-二羟基-7-甲氧基-1,4-萘醌，2-溴-6,7-二氯-5,8-二羟基-1,4-萘醌，2-的制备方法开发了溴3,5,8-三羟基-1,4-萘醌和2-溴-6,7-二氯-3,5,8-三羟基-1,4-萘醌。
• NOVEL SYNTHESES OF PHENOSELENAZINEQUINONE INFRARED DYES
  作者：Sung Hoon Kim、Masaru Matsuoka、Teijiro Kitao

  DOI：10.1246/cl.1985.1351

  日期：1985.9.5

  New series of phenoselenazinequinone infrared dyes for optical recording medium have been synthesized by the ring-closure reaction between 2,3-dihalogenoquinones and zinc 2-aminobenzeneselenate. These dyes absorbed near infrared light at 700–830 nm.

  通过2,3-二卤代醌与2-氨基苯硒酸锌的闭环反应合成了一系列用于光记录介质的新型吩硒嗪醌红外染料。这些染料吸收 700-830 nm 的近红外光。
• MATSUOKA, MASARU;HAMANO, KATSUHISA;KITAO, TEIJIRO, SYNTHESIS, BRD, 1984, N 11, 953-955
  作者：MATSUOKA, MASARU、HAMANO, KATSUHISA、KITAO, TEIJIRO

  DOI：——

  日期：——